package cn.tedu.demo.web;


import cn.tedu.demo.ex.ServiceException;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.io.Serializable;

@Data
public class JsonResult<T> implements Serializable {

    /**
     * 操作结果的状态码（状态标识）
     */
    @ApiModelProperty("业务状态码")
    private Integer state;

    /**
     * 操作失败时的提示文本
     */
    @ApiModelProperty("提示文本")
    private String message;

    /**
     * 操作成功时相应的数据，T作为泛型进行声明
     */
    @ApiModelProperty("数据")
    private T data;

    public static <T> JsonResult<T> ok(){
        return ok(null);
    }


    public static <T> JsonResult<T> ok(T data){
        JsonResult<T> jsonResult = new JsonResult<>();
        jsonResult.state = ServiceCode.OK.getValue();
        jsonResult.data = data;
        return jsonResult;
    }

    public static JsonResult<Void> fail(ServiceException e){

        return fail(e.getServiceCode(),e.getMessage());
    }

    public static JsonResult<Void> fail(ServiceCode serviceCode,String message){

        JsonResult<Void> jsonResult = new JsonResult<>();
        jsonResult.state = serviceCode.getValue();
        jsonResult.message = message;
        return jsonResult;
    }



}
